G37 Convertible V6-3.7L (VQ37VHR) (2010)
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Install exhaust manifold and tighten mounting bolts in numerical order as shown in the figure.
A : Bank 1
B : Bank 2
White arrow: Engine front
NOTE:
Tighten nuts the No. 1 and 2 in two steps. The numerical order No.
7 and 8 shows the second step.
AIR FUEL RATIO SENSOR 1
CAUTION:
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Before installing a new air fuel ratio sensor 1, clean exhaust system threads using heated oxygen sensor thread cleaner tool (commercial
service tool: J-43897-18 or J-43897-12) and apply anti-seize lubricant.
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Never apply excessive torque to air fuel ratio sensor 1. Doing so may cause damage to air fuel ratio sensor 1, resulting in the "MIL"
illuminating.